This document provides guidance on usage of biometrics in breeder documents, in particular regarding - encoding of biometric reference data; - data quality maintenance for biometric reference data; - data authenticity maintenance for biometric reference data; and - privacy preservation of biometric reference data. This document addresses advantages and disadvantages of biometric modes, in particular regarding - verification performance; - privacy impact; - feasibility of biometric acquisition considering the age of the capture subjects; - limits of validity and need for updating biometric reference data. The following aspects are out of scope: - format and structure of breeder documents; - general security aspects, which are covered in CEN/TS 17489-1 [1].
